Comparison of five dermal substitutes in full-thickness skin wound healing in a porcine model

Abstract The wound healing attributes of five acellular dermal skin substitutes were compared, in a two-step procedure, in a porcine model. Ten pigs were included in this experimental and randomized study. During the first step, dermal substitutes (Integra® , ProDerm® , Renoskin® , Matriderm® 2 mm a...

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Bibliographic Details
Published in:Burns 2012-09, Vol.38 (6), p.820-829
Main Authors: Philandrianos, Cécile, Andrac-Meyer, Lucile, Mordon, Serge, Feuerstein, Jean-Marc, Sabatier, Florence, Veran, Julie, Magalon, Guy, Casanova, Dominique
Format: Article
Language:English
Subjects:
Animals
Artificial dermis
Biological and medical sciences
Burns
Cells, Cultured
Cicatrix - pathology
Critical Care
Dermal substitute
Dermatologic Surgical Procedures
Epithelial Cells - transplantation
Female
Medical sciences
Porcine model
Random Allocation
Skin - injuries
Skin - pathology
Skin Transplantation - methods
Skin wound healing
Skin, Artificial
Swine
Transplantation, Autologous
Traumas. Diseases due to physical agents
Wound Healing
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Summary:Abstract The wound healing attributes of five acellular dermal skin substitutes were compared, in a two-step procedure, in a porcine model. Ten pigs were included in this experimental and randomized study. During the first step, dermal substitutes (Integra® , ProDerm® , Renoskin® , Matriderm® 2 mm and Hyalomatrix® PA) were implanted into full-thickness skin wounds and the epidermis was reconstructed during a second step procedure at day 21 using autologous split-thickness skin graft or cultured epithelial autograft. Seven pigs were followed-up for 2 months and 3 pigs for 6 months. Dermal substitute incorporation, epidermal graft takes, wound contraction and Vancouver scale were assessed, and histological study of the wounds was performed. Results showed significant differences between groups in dermis incorporation and in early wound contraction, but there was no difference in wound contraction and in Vancouver scale after 2 and 6 months of healing. We conclude there was no long-term difference of scar qualities in our study between the different artificial dermis. More, there was no difference between artificial dermis and the control group. This study makes us ask questions about the benefit of artificial dermis used in a two-step procedure.
ISSN:0305-4179
1879-1409
DOI:10.1016/j.burns.2012.02.008